英语词汇“octavalent”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	octavalent
释义	octavalent, a. Chem.\|ɒktəˈveɪlənt\| Also (now rare) octo-. [f. octa-, octo- + L. vālent-em, pres. pple. of valēre to be worth.] Characterized by a valency of eight. 1880Octovalent [see per-¹ 5 b].1909J. N. Friend Theory of Valency xvii. 117 Osmium apparently functions as an octavalent atom in the tetroxide OsO₄, as does ruthenium in RuO₄.1950N. V. Sidgwick Chem. Elements II. 1458 There are a fair number of octovalent osmium compounds.1973S. E. Livingstone in J. C. Bailar et al. Comprehensive Inorg. Chem. III. xliii. 1209 The octavalent state [of osmium] is more stable than that of ruthenium. Hence octaˈvalency, the property of being octavalent. 1925Ann. Rep. Progr. Chem. XXI. 54 These facts are held to confirm the octavalency of osmium.
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